For the mid-term you need to review verb conjugations in the following tenses: present, preterit, imperfect, future and subjunctive. Go to conjuguemous.com using the link below and complete the exercises listed. Your goal is to score at least an 80%+ when conjugating 40 or more verbs. Verb tables with answers are also available.
http://conjuguemos.com/list.php?type=verbs&division=verbs&language=spanish
Present - exercises 2-7
Preterit - exercises 8-11
Imperfect - exercise 12
Future - exercise 13
Subjunctive - exercise 23